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upfst_ar_30.exe

TUTO4PC COM INTERNATIONAL SL

This is part of the Eorezo downloader which may bundle additional offers on the PC, mostly adware and other potentially unwanted software. The application upfst_ar_30.exe by TUTO4PC COM INTERNATIONAL SL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
TUTO4PC COM INTERNATIONAL SL  (signed and verified)

MD5:
240afe73d33b38c6b1861dd9c58a0318

SHA-1:
a8e978c894710c83418278070d8f83121cef740c

SHA-256:
f6c7ff6c284bb07e3eaa5e5163be8dfc781e6a189da7ea82a4a3e82d9a24eb89

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/30/2024 7:54:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Eorezo (M)
17.2.27.0

File size:
3.1 MB (3,234,288 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\fst_ar_30\upfst_ar_30.exe

Digital Signature
Signed by:
TUTO4PC COM INTERNATIONAL SL

Authority:
GlobalSign nv-sa

Valid from:
6/26/2013 9:19:10 AM

Valid to:
6/27/2014 9:19:10 AM

Subject:
E=contact@tutoriales100.com, CN=TUTO4PC COM INTERNATIONAL SL, O=TUTO4PC COM INTERNATIONAL SL, L=BARCELONA, S=CATALUNYA, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E6FBF47B55F81EDBA70D3D2CA03E568F

File PE Metadata
Compilation timestamp:
2/14/2014 8:01:08 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x1E512F

Entry point:
E8, 92, B6, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 50, A3, 6D, 00, 75, 02, F3, C3, E9, 19, B7, 00, 00, 8B, C1, 83, 60, 04, 00, C7, 00, 68, 46, 68, 00, C6, 40, 08, 00, C3, 8B, FF, 55, 8B, EC, 8B, C1, 8B, 4D, 08, C7, 00, 68, 46, 68, 00, 8B, 09, 89, 48, 04, C6, 40, 08, 00, 5D, C2, 08, 00, 8B, 41, 04, 85, C0, 75, 05, B8, 70, 46, 68, 00, C3, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 57, 8B, F9, 74, 2D, 56, FF, 75, 08, E8, A6, 33, 00, 00, 8D, 70, 01, 56, E8, 33, 0F, 00, 00, 59, 59, 89, 47, 04, 85, C0, 74, 11, FF, 75, 08...
 
[+]

Code size:
2.2 MB (2,353,152 bytes)

Startup File (All Users Run Once)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

Name:
upfst_ar_30.exe

Command:
C:\users\{user}\appdata\local\fst_ar_30\upfst_ar_30.exe -runonce


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